/*
 * This file contains code from "C++ Primer, Fourth Edition", by Stanley B.
 * Lippman, Jose Lajoie, and Barbara E. Moo, and is covered under the
 * copyright and warranty notices given in that book:
 *
 * "Copyright (c) 2005 by Objectwrite, Inc., Jose Lajoie, and Barbara E. Moo."
 *
 *
 * "The authors and publisher have taken care in the preparation of this book,
 * but make no expressed or implied warranty of any kind and assume no
 * responsibility for errors or omissions. No liability is assumed for
 * incidental or consequential damages in connection with or arising out of the
 * use of the information or programs contained herein."
 *
 * Permission is granted for this code to be used for educational purposes in
 * association with the book, given proper citation if and when posted or
 * reproduced.Any commercial use of this code requires the explicit written
 * permission of the publisher, Addison-Wesley Professional, a division of
 * Pearson Education, Inc. Send your request for permission, stating clearly
 * what code you would like to use, and in what specific way, to the following
 * address:
 *
 *  Pearson Education, Inc.
 *  Rights and Contracts Department
 *  75 Arlington Street, Suite 300
 *  Boston, MA 02216
 *  Fax: (617) 848-7047
*/

#include <string>

class Account
{
public:
	// interface functions here
	void applyint()
	{
		amount += amount * interestRate;
	}
	friend int main();
	double balance()
	{
		return amount;
	}
public:
	static double rate()
	{
		return interestRate;
	}
	static void rate(double);  // sets a new rate
private:
	std::string owner;
	double amount;
	static double interestRate;
	static double initRate();
private:
	static const std::string accountType;
private:
	static const int period = 30;  // interest posted every 30 days
	double daily_tbl[period]; // ok: period is constant expression
};
using std::string;
const string Account::accountType("Savings Account");

void Account::rate(double newRate)
{
	interestRate = newRate;
}
